Finding the Fourth Proportional to 37,173, 51,305.22 and 21,258.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,173 : 51,305.22 = 21,258.12 : x
2. Step 2: Convert to fraction form
   37,173/51,305.22 = 21,258.12/x
3. Step 3: Cross multiply
   37,173x = 51,305.22 × 21,258.12
4. Step 4: Simplify right side
   37,173x = 1,090,652,523.39
5. Step 5: Solve for x
   x = 1,090,652,523.39/37,173
6. Step 6: Final answer
   x = 29,339.91